when times get tough, it rallies us as one. every day, more people believe in the american idea and when they do, the dream comes true. we're grateful to be a part of it. your doctor will say get smart about your weight. that's why there's glucerna hunger smart shakes. they have carb steady, with carbs that digest slowly to help minimize blood sugar spikes. [ male announcer ] glucerna hunger smart. a smart way to help manage hunger and diabetes. >>> this assault on newtown, it was a breaking of our national heart. i think the only thing that can comfort you when you face something this tragic is to do something good with it. imagine if everyone could commit to doing one act of kindness for each precious life lost, an act of kindness, big or small. are you in? >>> it's a very royal christmas in britain where the queen and her family marked the holiday in familiar fashion. but there were a few notable breaks from tradition. our report from nbc's jim maceda in london. >> reporter: queen elizabeth began this, her 60th christmas on